Lollapalooza 2010: Day 1

Bob O'Neill, president of the Grant Park Conservancy, tells the paper the market would be open Fridays from 7 a.m. to 1 p.m.

Obama's Election Night Rally in Grant Park

It could be up and running as early as Memorial Day and would run though October.

Officials expect about 20 vendors to take part at first. They would sell bread, cheese, fruit, meats and other products. Park District spokeswoman Zvezdana Kubat says the specifics are still being finalized.